Examples of ucar.nc2.Dimension

ucar.nc2.ParsedSectionSpec
A Dimension is used to define the array shape of a Variable. It may be shared among Variables, which provides a simple yet powerful way of associating Variables. When a Dimension is shared, it has a unique name within its Group. It may have a coordinate Variable, which gives each index a coordinate value. A private Dimension cannot have a coordinate Variable, so use shared dimensions with coordinates when possible. The Dimension length must be > 0, except for an unlimited dimension which may have length = 0, and a vlen Dimension has length = -1.
Immutable if setImmutable() was called, except for an Unlimited Dimension, whose size can change. @author caron

     */
    private Date getTimeValueByIndex( Variable variable, int timeIndex,
            final CoordinateSystem cs ) {
        if (cs != null && cs.hasTimeAxis()) {
            final int rank = variable.getRank();
            final Dimension temporalDimension = variable.getDimension(rank
                    - ((cs.hasVerticalAxis() ? NetCDFUtilities.Z_DIMENSION : 2) + 1));
            return (Date) reader.coordinatesVariables.get(temporalDimension.getFullName()).read(timeIndex);
        }


        return null;
    }

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        assertSame(4, cvs.size());


        //
        // cloud_formations is short
        //
        Dimension dim = dataset.findDimension("time");
        assertNotNull(dim);
        assertEquals("time", dim.getShortName());


        // check type
        CoordinateAxis coordinateAxis = dataset.findCoordinateAxis(dim.getShortName());
        assertNotNull(coordinateAxis);
        assertTrue(coordinateAxis instanceof CoordinateAxis1D);
        Class<?> binding = CoordinateVariable.suggestBinding((CoordinateAxis1D) coordinateAxis);
        assertNotNull(binding);
        assertSame(Date.class, binding);
        CoordinateVariable<?> cv = CoordinateVariable.create((CoordinateAxis1D) coordinateAxis);
        assertSame(Date.class, cv.getType());


        List<?> list = cv.read();
        assertNotNull(list);
        assertEquals(2, list.size());


        final GregorianCalendar cal = new GregorianCalendar(NetCDFTimeUtilities.UTC_TIMEZONE);
        cal.set(2012, 3, 1, 0, 0, 0);
        cal.set(GregorianCalendar.MILLISECOND, 0);
        assertEquals(cal.getTime(), cv.getMinimum());
        assertEquals(list.get(0), cv.getMinimum());


        cal.set(2012, 3, 1, 1, 0, 0);
        assertEquals(cal.getTime(), cv.getMaximum());
        assertEquals(list.get(1), cv.getMaximum());
        assertEquals(2, cv.getSize());
        assertEquals("hours since 2012-04-01 0:00:00", cv.getUnit());
        CoordinateReferenceSystem crs = cv.getCoordinateReferenceSystem();
        assertNotNull(crs);
        assertTrue(crs instanceof TemporalCRS);
        //
        // lat is float
        //
        dim = dataset.findDimension("z");
        assertNotNull(dim);
        assertEquals("z", dim.getShortName());


        // check type
        coordinateAxis = dataset.findCoordinateAxis(dim.getShortName());
        assertNotNull(coordinateAxis);
        assertTrue(coordinateAxis instanceof CoordinateAxis1D);
        binding = CoordinateVariable.suggestBinding((CoordinateAxis1D) coordinateAxis);
        assertNotNull(binding);
        assertSame(Float.class, binding);

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        assertSame(8, cvs.size());


        //
        // cloud_formations is short
        //
        Dimension dim = dataset.findDimension("cloud_formations");
        assertNotNull(dim);
        assertEquals("cloud_formations", dim.getShortName());


        // check type
        CoordinateAxis coordinateAxis = dataset.findCoordinateAxis(dim.getShortName());
        assertNotNull(coordinateAxis);
        assertTrue(coordinateAxis instanceof CoordinateAxis1D);
        Class<?> binding = CoordinateVariable.suggestBinding((CoordinateAxis1D) coordinateAxis);
        assertNotNull(binding);
        assertSame(Short.class, binding);
        CoordinateVariable<?> cv = CoordinateVariable.create((CoordinateAxis1D) coordinateAxis);
        assertSame(Short.class, cv.getType());
        assertEquals((short) 0, cv.getMinimum());
        assertEquals((short) 2, cv.getMaximum());
        assertEquals(3, cv.getSize());
        assertEquals("level", cv.getUnit());


        //
        // lat is float
        //
        dim = dataset.findDimension("lat");
        assertNotNull(dim);
        assertEquals("lat", dim.getShortName());


        // check type
        coordinateAxis = dataset.findCoordinateAxis(dim.getShortName());
        assertNotNull(coordinateAxis);
        assertTrue(coordinateAxis instanceof CoordinateAxis1D);
        binding = CoordinateVariable.suggestBinding((CoordinateAxis1D) coordinateAxis);
        assertNotNull(binding);
        assertSame(Float.class, binding);
        cv = CoordinateVariable.create((CoordinateAxis1D) coordinateAxis);
        assertNotNull(cv);
        assertSame(Float.class, cv.getType());
        assertEquals(-77.327934f, cv.getMinimum());
        assertEquals(89.781555f, cv.getMaximum());
        assertEquals(766, cv.getSize());
        assertEquals("degrees_north", cv.getUnit());
        assertTrue(cv.isRegular());
        assertEquals(cv.getMinimum(), cv.getStart());
        assertEquals(0.2184437770469516, cv.getIncrement());


        //
        // lon is float
        //
        dim = dataset.findDimension("lon");
        assertNotNull(dim);
        assertEquals("lon", dim.getShortName());


        // check type
        coordinateAxis = dataset.findCoordinateAxis(dim.getShortName());
        assertNotNull(coordinateAxis);
        assertTrue(coordinateAxis instanceof CoordinateAxis1D);
        binding = CoordinateVariable.suggestBinding((CoordinateAxis1D) coordinateAxis);
        assertNotNull(binding);
        assertSame(Float.class, binding);
        cv = CoordinateVariable.create((CoordinateAxis1D) coordinateAxis);
        assertNotNull(cv);
        assertEquals("degrees_east", cv.getUnit());


        //
        // pressure_levels_ozone is Double
        //
        dim = dataset.findDimension("nlo");
        assertNotNull(dim);
        assertEquals("nlo", dim.getShortName());


        // check type
        coordinateAxis = dataset.findCoordinateAxis(dim.getShortName());
        assertNotNull(coordinateAxis);
        assertTrue(coordinateAxis instanceof CoordinateAxis1D);
        binding = CoordinateVariable.suggestBinding((CoordinateAxis1D) coordinateAxis);
        assertNotNull(binding);
        assertSame(Double.class, binding);
        cv = CoordinateVariable.create((CoordinateAxis1D) coordinateAxis);
        assertNotNull(cv);
        assertEquals("Pa", cv.getUnit());


        //
        // pressure_levels_ozone is Double
        //
        dim = dataset.findDimension("nlt");
        assertNotNull(dim);
        assertEquals("nlt", dim.getShortName());


        // check type
        coordinateAxis = dataset.findCoordinateAxis(dim.getShortName());
        assertNotNull(coordinateAxis);
        assertTrue(coordinateAxis instanceof CoordinateAxis1D);
        binding = CoordinateVariable.suggestBinding((CoordinateAxis1D) coordinateAxis);
        assertNotNull(binding);
        assertSame(Double.class, binding);

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          PlotResult.init ( "results/" + fileName );
          
          //System.out.println(pr.numExp);
          
          final Dimension
            exp = PlotResult.ncfile.findDimension ( "suEleId" );
          
          for ( int  i = 0; i < PlotResult.numExp; i++ )
          {
            // Subexperiment node

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          PlotResult.init ( "results/" + fileName );
          
          //System.out.println(pr.numExp);
          
          final Dimension
            exp = PlotResult.ncfile.findDimension ( "suEleId" );
          
          for ( int i = 0; i < PlotResult.numExp; i++ )
          {
            //Subexperiment node

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        // Prepare latitude and longitude coordinate values
        // TODO: We need to support more CRS


        // Loop over dimensions
        Dimension boundDimension = null;
        for (NetCDFDimensionManager manager : dimensionMapping.values()) {
            final DimensionBean dim = manager.getCoverageDimension();
            final boolean isRange = dim.isRange();
            String dimensionName = manager.getName();
            final int dimensionLength = getDimensionSize(dimensionName);
            if (dimensionName.equalsIgnoreCase("TIME") || dimensionName.equalsIgnoreCase("ELEVATION")) {
                // Special management for TIME and ELEVATION dimensions
                // we will put these dimension lowercase for NetCDF names
                dimensionName = dimensionName.toLowerCase();
            }
            if (isRange) {
                if (boundDimension == null) {
                    boundDimension = writer.addDimension(null, NCUtilities.BOUNDARY_DIMENSION, 2);
                }
            }
            final Dimension netcdfDimension = writer.addDimension(null, dimensionName, dimensionLength);
            manager.setNetCDFDimension(netcdfDimension);


            // Assign variable to dimensions having coordinates
            Variable var = writer.addVariable(null, dimensionName,
                    NCUtilities.getNetCDFDataType(dim.getDatatype()), dimensionName);

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     * @throws IOException
     * @throws InvalidRangeException
     */
    private void setCoordinateVariables() throws IOException, InvalidRangeException {
        for (NetCDFDimensionManager manager : dimensionMapping.values()) {
            Dimension dimension = manager.getNetCDFDimension();
            if (dimension == null) {
                throw new IllegalArgumentException("No Dimension found for this manager: " + manager.getName());
            }


            // Getting coordinate variable for that dimension
            final String dimensionName = dimension.getShortName();
            Variable var = writer.findVariable(dimensionName);
            if (var == null) {
                throw new IllegalArgumentException("Unable to find the specified coordinate variable: " + dimensionName);
            }
            // Writing coordinate variable values

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        // NetCDF coordinates are relative to center. Envelopes are relative to corners: apply an half pixel shift to go back to center
        xmin += (periodX / 2d);
        ymin += (periodY / 2d);


        // Adding lat lon dimensions
        final Dimension latDim = writer.addDimension(null, NCUtilities.LAT, numLat);
        final Dimension lonDim = writer.addDimension(null, NCUtilities.LON, numLon);


        // --------
        // latitude
        // -------- 
        final ArrayFloat latData = new ArrayFloat(new int[] { numLat });

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    }


    Variable v = ds.findVariable("time_offset");
    v.addAttribute(new Attribute( "units", "seconds since "+dfo.toDateTimeString(start)));


    Group root = ds.getRootGroup();
    root.addAttribute(new Attribute( "Convention", "Suomi-Station-CDM"));    
    ds.finish();
  }

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  // section reading for member data
  static public ucar.ma2.Array readSection(ParsedSectionSpec cer) throws IOException, InvalidRangeException {
    Variable inner = null;
    List<Range> totalRanges = new ArrayList<Range>();
    ParsedSectionSpec current = cer;
    while (current != null) {
      totalRanges.addAll( current.section.getRanges());
      inner = current.v;
      current = current.child;
    }

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